Buyer Name: Transport for Wales
Buyer Address: 3 Llys Cadwyn, Pontypridd, UKL15, CF37 4TH, United Kingdom
Contact Name: Huw Thomas
Contact Email: procurement@tfw.wales
Buyer Name: Transport for Wales
Buyer Address: 3 Llys Cadwyn, Pontypridd, UKL15, CF37 4TH, United Kingdom
Contact Name: Huw Thomas
Contact Email: procurement@tfw.wales
TfW is looking to appoint a suitably qualified and competent contractor to undertake complex track works and associated level boarding works at Cardiff Queen Street and Cardiff Bay Stations. The work scope is comprised of various track renewal schemes in the areas of Cardiff Queen Street Station and Cardiff Bay, the primary elements being the remodelling of Cardiff Queen Street and the doubling of the line to Cardiff Bay. The works are naturally linked through their geographical location and through the requirement to deliver the works in a dedicated extended track possession in early 2027. Outside of Cardiff Queen St and Cardiff Bay, there are other remaining track works across CVL (including Pontypridd Station) to be delivered including level boarding sites where design is yet to be completed. A number of these sites are likely to be delivered under this contract once the complexity of works and available access is confirmed post design completion. TfW intends to undertake a two stage process under the competitive flexible procedure including a request to participate stage and tender stage. Full details can be found in the Tender Documentation.
External Link: https://www.find-tender.service.gov.uk/Notice/058173-2025
Link Description: Tender notice on Find a Tender
Lot 1 Status: active
Lot 1 Has Options: Yes
Lot 1 Options: Options: Level Boarding works CVL Non-complex track works Pontypridd Station works
Lot 1 Value: GBP 9,800,000
Lot 1 Value (Gross): GBP 11,800,000
Lot 1 Contract Start: 2026-03-02T00:00:00+00:00
Lot 1 Contract End: 2027-08-31T23:59:59+01:00
Lot 1 Award Criterion (quality): Quality (40%)
Lot 1 Award Criterion (price): Price (60%)
Document Description: Scope Document
Document Description: Proposed draft form of contract
Document Description: Request to Participate Volume 1 Instructions
Document Description: Request to Participate Volume 2 Questionnaire
Document Description: Not published
Document Description: Tender notice on Find a Tender
{
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"date": "2025-09-19T14:48:56+01:00",
"id": "058173-2025",
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"region": "UKL15",
"streetAddress": "3 Llys Cadwyn"
},
"contactPoint": {
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"name": "Huw Thomas"
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"planning": {
"noEngagementNoticeRationale": "Due to the complexity and scale of the works, the following capabilities are essential:\nPlanning, ordering and management of Railway Engineering Trains and On-Track Machines\nProvision and site management of Strategic Plant\nProvision and site management of On-Track Plant, including POS compliance\nThese requirements significantly narrow the pool of capable suppliers. The market for such works is typically concentrated within Network Rail\u2019s regional track alliances, limiting broader competition"
},
"tag": [
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"description": "TfW is looking to appoint a suitably qualified and competent contractor to undertake complex track works and associated level boarding works at Cardiff Queen Street and Cardiff Bay Stations. The work scope is comprised of various track renewal schemes in the areas of Cardiff Queen Street Station and Cardiff Bay, the primary elements being the remodelling of Cardiff Queen Street and the doubling of the line to Cardiff Bay. The works are naturally linked through their geographical location and through the requirement to deliver the works in a dedicated extended track possession in early 2027. Outside of Cardiff Queen St and Cardiff Bay, there are other remaining track works across CVL (including Pontypridd Station) to be delivered including level boarding sites where design is yet to be completed. A number of these sites are likely to be delivered under this contract once the complexity of works and available access is confirmed post design completion.\nTfW intends to undertake a two stage process under the competitive flexible procedure including a request to participate stage and tender stage. Full details can be found in the Tender Documentation. ",
"documents": [
{
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"documentType": "biddingDocuments",
"id": "L-1",
"url": "https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=346548"
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{
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"url": "https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=346550"
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{
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{
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"documentType": "biddingDocuments",
"id": "future"
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{
"description": "Not published",
"documentType": "conflictOfInterest",
"id": "conflictOfInterest"
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{
"datePublished": "2025-09-19T14:48:56+01:00",
"description": "Tender notice on Find a Tender",
"documentType": "tenderNotice",
"format": "text/html",
"id": "058173-2025",
"noticeType": "UK4",
"url": "https://www.find-tender.service.gov.uk/Notice/058173-2025"
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],
"enquiryPeriod": {
"endDate": "2025-10-08T12:00:00+01:00"
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"expressionOfInterestDeadline": "2025-10-15T12:00:00+01:00",
"id": "C001270.00 ",
"items": [
{
"additionalClassifications": [
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"description": "Railway construction works",
"id": "45234100",
"scheme": "CPV"
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{
"description": "Railway-track construction materials and supplies",
"id": "34946000",
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"deliveryAddresses": [
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"countryName": "United Kingdom",
"region": "UKL22"
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"id": "1",
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"legalBasis": {
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"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
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"maxExtentDate": "2028-03-31T23:59:59+01:00",
"startDate": "2026-03-02T00:00:00+00:00"
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"hasOptions": true,
"hasRenewal": true,
"id": "1",
"options": {
"description": "Options: \nLevel Boarding works \nCVL Non-complex track works \nPontypridd Station works "
},
"renewal": {
"description": "Compensation events under the contract "
},
"selectionCriteria": {
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"type": "economic"
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{
"description": "As described in the Tender Documentation ",
"type": "technical"
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},
"status": "active",
"value": {
"amount": 9800000,
"amountGross": 11800000,
"currency": "GBP"
}
}
],
"mainProcurementCategory": "works",
"procedure": {
"features": "Request to Participate Stage - Deadline 15/10/25 - all bidders that meet minimum pass/fail requirements will be invited to tender. \nQualified bidders will be invited to Tender Stage late October 2025 with deadline of mid/late December for return of Tenders "
},
"procurementMethod": "selective",
"procurementMethodDetails": "Competitive flexible procedure",
"status": "active",
"submissionMethodDetails": "sell2wales postbox facility \nwww.sell2wales.gov.wales ",
"submissionTerms": {
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"languages": [
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},
"title": "Core Valley Lines (CVL) Transformation: Complex\u00a0track works with associated level boarding works",
"value": {
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"amountGross": 11800000,
"currency": "GBP"
}
}
}